煤焦油超臨界甲醇提抽提的研究.pdf

1、武漢科技大學(xué)碩士學(xué)位論文煤焦油超臨界甲醇提抽提的研究姓名：李鐵魯申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：何選明20110520第1I頁(yè)武漢科技大學(xué)碩士學(xué)位論文AbstractnisaseverechallengetotheworldespeciallytoChina、)I，itllthereservesreductionandhighpricesoffossilenergyHightemperaturecoaltarisaromati

2、csandpahsresoul“c圯treasurebutactuallyitisakindofbyproductsincokingindustrySoitcouldbecometheimportantalternativesofoilinsomeextentafterdeepprocessingforliquidfuelsorhighvalueaddedchemicallawmaterialsButnowthemaindisadvan

3、tagesofcoaltarprocessinginChinaarcsmallscatteredscalelowprocessingdepthandseriouspollutionTherefore，thedevelopmentofcleanandeffectivegreencoaltardeepprocessingtechnologyisverynecessaryHiglltemperaturecoaltarWasselectedas

4、theresearchobjectandmethanolwhichthecriticaltemperatureisonly2405℃wasusedasextractionsolventinthisstudyTetrahydronaphthaleneWasalsoaddedasdonorhydrogensolventinabatchhighpressurereactorThereactionruleWasexploredinthisres

5、earchExperimentalresultsshowthatinexperimentalconditions，usingsupercriticalmethanoltoprocessinghightemperaturecoaltarwhichcanmakecoaltarachievesomedegreeofthinnerinmildconditions，lightoilyield(形％)risefrom6510thatistheoil

6、yieldofrawmaterialcoaltarto7819，H／Cimproved2824％comparingtothelightoilinlaWcoaltarandimproved10962％comparingtotherawcoaltar；Pressureandtemperaturehavegreatinfluenceondistributionoftheproductincreasingtemperatureisnotcond

7、ucivetoincreaselightoilcomponentsyield；Increaseingpressureearlgetmorelightoilcomponents；ThereactiontimehadlittleeffectontheproductdistributionFTIRshowsthat，throughsupercriticalextractionitcanmakelotsofhighvalueaddedprodu

8、ctsaccumulateinlightoilcomponents，whichishelpfulforfurtherprocessingutilizationofcoaltarGCMSanalysisshowsthat，reactions，typesofsubstancesinlightoilcomponentshasnochange，itjusthasachangeinquantity；Inthesituationoflowtempe